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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_004_128">&nbsp;</a>NAME</h4><blockquote>
fchown - change owner and group of a file
</blockquote><h4><a name = "tag_000_004_129">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="unistd.h.html">unistd.h</a>&gt;

int fchown(int <i>fildes</i>, uid_t <i>owner</i>, gid_t <i>group</i>);
</code>
</pre>
</blockquote><h4><a name = "tag_000_004_130">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>fchown()</i>
function has the same effect as
<i><a href="chown.html">chown()</a></i>
except that the file whose owner and group are to be changed is specified by
the file descriptor
<i>fildes</i>.
</blockquote><h4><a name = "tag_000_004_131">&nbsp;</a>RETURN VALUE</h4><blockquote>
Upon successful completion,
<i>fchown()</i>
returns 0.  Otherwise, it returns -1 and sets
<i>errno</i> to indicate the error.
</blockquote><h4><a name = "tag_000_004_132">&nbsp;</a>ERRORS</h4><blockquote>
The
<i>fchown()</i>
function will fail if:
<dl compact>

<dt>[EBADF]<dd>
The <i>fildes</i> argument is not an open file descriptor.

<dt>[EPERM]<dd>
The effective user ID does not match the owner of the file or the
process does not have appropriate privilege.

<dt>[EROFS]<dd>
The file referred to by <i>fildes</i> resides on a read-only file system.

</dl>
<p>
The
<i>fchown()</i>
function may fail if:
<dl compact>

<dt>[EINVAL]<dd>
The owner or group ID is not a value supported by the implementation.

<dt>[EIO]<dd>
A physical I/O error has occurred.

<dt>[EINTR]<dd>
The
<i>fchown()</i>
function was interrupted by a signal which was caught.

</dl>
</blockquote><h4><a name = "tag_000_004_133">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_004_134">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_004_135">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_004_136">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="chown.html">chown()</a></i>,
<i><a href="unistd.h.html">&lt;unistd.h&gt;</a></i>.
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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